Definition of virtue

• n. - Manly strength or courage; bravery; daring; spirit; valor.
• n. - Active quality or power; capacity or power adequate to the production of a given effect; energy; strength; potency; efficacy; as, the virtue of a medicine.
• n. - Energy or influence operating without contact of the material or sensible substance.
• n. - Excellence; value; merit; meritoriousness; worth.
• n. - Specifically, moral excellence; integrity of character; purity of soul; performance of duty.
• n. - A particular moral excellence; as, the virtue of temperance, of charity, etc.
• n. - Specifically: Chastity; purity; especially, the chastity of women; virginity.
• n. - One of the orders of the celestial hierarchy.